It is highly unlikely you will find an original dial for you watch that is in presentable condition.
Omega hasn't stocked them in decades. These Seamaster Chronometres were uncommon in comparison to Constellations, which used the same movements.
Your best bet would be to look for a beat up original watch to harvest the dial. This will be neither cheap nor easy.
Not trying to be a pessimist, just a realist.
gatorcpa
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